<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>渐变练习</title>
		<link rel="stylesheet" type="text/css" href="css/8.css"/>
	</head>
	<body>
		<div class="all">
			<header>
				<nav>首页 新闻中心  关于我们</nav>
			</header>
			<section>
				<div class="one">
					<span>免费咨询</span>
				</div>
				<div class="two"></div>
				<div class="three">
					<h1>产品展示</h1>
					<div class="three-one">网页设计</div>
					<div class="three-two">视频制作</div>
					<div class="three-three">网站制作</div>
					<div class="three-four">微信小程序</div>
				</div>
			</section>
			<footer>
				<p>版权所有@不告诉你</p>
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